highly significantP = 0.03
The relationship between provincial population numbers and GRP is highly significant ( r = 0.82, P = 0.03) (Fig. 8 ).
The relationship between provincial population numbers and GRP is highly significant ( r = 0.82, P = 0.03) (Fig. 8 ).
Monthly mean tropopause height showed a decreasing trend with increased latitude, varying between 15 km and 17 km in southern China, and between 8 km and 11 km in the north.